MELTRIC receptacle (female) DSN 150 DeContactor with Mushroom E-Stop Pawl. The receptacle is rated for 150 amps, 250 volts and has 3 main pins (contacts) and one ground (E). Receptacle has Meltric dead front safety feature, built in cover and voltage color coded gasket. The contacts are silver-nickel producing a contact that is low in resistance, resistant to mechanical wear and welds at significantly higher temperatures than brass contacts. Meltric DSN150 plugs and receptacles are rated NEMA 4X, have temperature ratings of -40 to 140 F and are UL, CSA and IEC listed. Meltric model number is 63-94073-375.